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Pickering, J. R.

Paper Title Page
MOPAN071 Characteristics of Burden Resistors for High-precision DC Current Transducers 317
  • G. Fernqvist, P. Dreesen, G. Hudson
    CERN, Geneva
  • J. R. Pickering
    Metron, Norwich
  The DC current transducer (DCCT) and accompanying A/D converter determine the precision of a power converter in accelerator operation. In the LHC context this precision approaches 10-6. Inside the DCCT, a burden resistor is used to convert the current to an output voltage. The performance of this resistor is crucial for the accuracy, temperature behaviour, settling time and long-term drift of the DCCT. This paper reports on evaluations, a new parameter called "power coefficient" (PC) and test results from some different types of resistors available on the market.